12.
The atom with higher potential energy is one which:
a. Has a smaller nucleus.
b. Has fewer neutrons.
c.
Has more electrons in its outer shells.
d. Has fewer electrons in its outer shells.
13.
a. Have varying numbers of both neutrons and protons.
b. Have the same number of protons, but varying numbers of neutrons.
c.
Have the same number of neutrons, but various numbers of protons
d. Have the same number of both protons and neutrons.
14.
Three kinds of bonds holding the atoms of molecules together are called
______________________________ bonds.
b. Electron, ionic, and covalent.
c.
Ionic, covalent, and oxygen.
15.
An atom is said to be unstable when:
a. Its inner shell is incomplete.
b. Its inner shell is complete.
c.
Its nucleus is partly disintegrating.
d. Its outer shell is complete.
MD0950
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